body { 
    display: grid;
    grid-template-areas: 
      "header header"
      "nav article ";
    grid-template-rows: 13% 1fr;  
    grid-template-columns: 18% 1fr;
    height: 100vh;
    margin: 0;
    }  
  header, article, nav{
    padding: 1.2em;
    }
  #pageHeader {
    grid-area: header;
    }
  #mainArticle { 
    grid-area: article;      
    }
  #mainNav { 
    grid-area: nav; 
    }
  /* Stack the layout on small devices/viewports. */
  @media all and (max-width: 575px) {
    body { 
      grid-template-areas: 
        "header header"
        "nav article";
      grid-template-rows: 100px 1fr;  
      grid-template-columns: 70px 1fr;
   }
  }
  #pageHeader {
    margin: 0px;
    padding: 0px;
  }
   .header-left{
    position: fixed;
    width: 100%;
    height: 25px;
    margin:0px;
    padding: 0px;
    background-color: rgb(224, 216, 216);
  }
  .dlzc{
    float: left;
    margin-top:0px;
    padding: 0px;
    
  }
  .header-right{
    float: right;
    font-size:x-small;
    
  }
#two{
    height: 100%;
    margin: 0px;
    
    background-color: orange;
}
#h2{
    float: left;
    margin-top:0px;
    padding: 32px;
    color:white;
}
#h2>span{
    letter-spacing: 8px;
    font-size: 500;
    font-weight: 800;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}
#ss{
    float: right;
    padding: 30px;
    width: 50%;
}
#name{
    margin: 0px;
    width: 50%;
    height: 90%;
  
}
#mainNav{
    display: flex;
    flex-direction: column;
    flex-shrink: 1;
    border: 2px;
    margin: 0px;

}
#mainNav ul li{
  list-style: none;
  padding: 8px;
}
#zong{
  color: red;
  font-size: larger;
}
#t1 tr th,td{
  padding: 15px;
  padding-bottom: 3px;
  font-size: larger;
}
#t22{
  background-color: rgb(223, 194, 194);
}
#t222{
  background-color: rgb(238, 232, 232);
}
#t2{
  width: 100%;
  padding: 0px;
  border: 0px;
  margin: 18px;
}
#t2 tr th{
  padding: 3px;
  font-size: smaller;
  opacity: 0.8;
}
#chioce{
  color: red;
}
